31 (火)	06:09	10:44	15:48	23:15
	120cm	92cm	125cm	-1cm
大潮 出 06:49 入 16:34 出 17:40 入 07:57

那珂湊（茨城）2058年12月31日の10分毎の潮の高低差を確認できます。
また1日の潮の高低差が1番大きい（潮の流れが大きい）時間に「最大潮位差」と明記してます。

時刻	潮位	高低差	各ポイント
12/31 00:00	6.6	↑2.4
12/31 00:10	9.3	↑2.7
12/31 00:20	12.2	↑2.9
12/31 00:30	15.4	↑3.2
12/31 00:40	18.7	↑3.3
12/31 00:50	22.3	↑3.6
12/31 01:00	26.0	↑3.7
12/31 01:10	29.9	↑3.9
12/31 01:20	33.9	↑4.0
12/31 01:30	38.1	↑4.2
12/31 01:40	42.3	↑4.2
12/31 01:50	46.6	↑4.3
12/31 02:00	51.0	↑4.4
12/31 02:10	55.4	↑4.4
12/31 02:20	59.8	↑4.4
12/31 02:30	64.1	↑4.3
12/31 02:40	68.5	↑4.4
12/31 02:50	72.7	↑4.2
12/31 03:00	76.9	↑4.2
12/31 03:10	81.0	↑4.1
12/31 03:20	85.0	↑4.0
12/31 03:30	88.8	↑3.8
12/31 03:40	92.4	↑3.6
12/31 03:50	95.9	↑3.5
12/31 04:00	99.2	↑3.3
12/31 04:10	102.2	↑3.0
12/31 04:20	105.1	↑2.9
12/31 04:30	107.7	↑2.6
12/31 04:40	110.1	↑2.4
12/31 04:50	112.2	↑2.1
12/31 05:00	114.1	↑1.9
12/31 05:10	115.7	↑1.6
12/31 05:20	117.0	↑1.3
12/31 05:30	118.1	↑1.1
12/31 05:40	118.9	↑0.8
12/31 05:50	119.5	↑0.6
12/31 06:00	119.8	↑0.3	満潮
12/31 06:10	119.9	↑0.1
12/31 06:20	119.7	↓-0.2
12/31 06:30	119.4	↓-0.3
12/31 06:40	118.8	↓-0.6
12/31 06:50	118.0	↓-0.8
12/31 07:00	117.1	↓-0.9
12/31 07:10	116.0	↓-1.1
12/31 07:20	114.8	↓-1.2
12/31 07:30	113.4	↓-1.4
12/31 07:40	112.0	↓-1.4
12/31 07:50	110.5	↓-1.5
12/31 08:00	108.9	↓-1.6
12/31 08:10	107.3	↓-1.6
12/31 08:20	105.7	↓-1.6
12/31 08:30	104.0	↓-1.7
12/31 08:40	102.5	↓-1.5
12/31 08:50	100.9	↓-1.6
12/31 09:00	99.4	↓-1.5
12/31 09:10	98.0	↓-1.4
12/31 09:20	96.8	↓-1.2
12/31 09:30	95.6	↓-1.2
12/31 09:40	94.5	↓-1.1
12/31 09:50	93.6	↓-0.9
12/31 10:00	92.8	↓-0.8
12/31 10:10	92.2	↓-0.6
12/31 10:20	91.7	↓-0.5
12/31 10:30	91.4	↓-0.3
12/31 10:40	91.3	↓-0.1	干潮
12/31 10:50	91.3	0
12/31 11:00	91.5	↑0.2
12/31 11:10	91.8	↑0.3
12/31 11:20	92.3	↑0.5
12/31 11:30	93.0	↑0.7
12/31 11:40	93.8	↑0.8
12/31 11:50	94.8	↑1.0
12/31 12:00	95.9	↑1.1
12/31 12:10	97.1	↑1.2
12/31 12:20	98.4	↑1.3
12/31 12:30	99.8	↑1.4
12/31 12:40	101.2	↑1.4
12/31 12:50	102.8	↑1.6
12/31 13:00	104.4	↑1.6
12/31 13:10	106.0	↑1.6
12/31 13:20	107.7	↑1.7
12/31 13:30	109.4	↑1.7
12/31 13:40	111.0	↑1.6
12/31 13:50	112.6	↑1.6
12/31 14:00	114.2	↑1.6
12/31 14:10	115.8	↑1.6
12/31 14:20	117.2	↑1.4
12/31 14:30	118.6	↑1.4
12/31 14:40	119.8	↑1.2
12/31 14:50	120.9	↑1.1
12/31 15:00	121.9	↑1.0
12/31 15:10	122.7	↑0.8
12/31 15:20	123.3	↑0.6
12/31 15:30	123.8	↑0.5
12/31 15:40	124.0	↑0.2	満潮
12/31 15:50	124.1	↑0.1
12/31 16:00	123.9	↓-0.2
12/31 16:10	123.5	↓-0.4
12/31 16:20	122.8	↓-0.7
12/31 16:30	121.9	↓-0.9
12/31 16:40	120.8	↓-1.1
12/31 16:50	119.4	↓-1.4
12/31 17:00	117.7	↓-1.7
12/31 17:10	115.8	↓-1.9
12/31 17:20	113.6	↓-2.2
12/31 17:30	111.1	↓-2.5
12/31 17:40	108.4	↓-2.7
12/31 17:50	105.5	↓-2.9
12/31 18:00	102.3	↓-3.2
12/31 18:10	98.9	↓-3.4
12/31 18:20	95.3	↓-3.6
12/31 18:30	91.5	↓-3.8
12/31 18:40	87.5	↓-4.0
12/31 18:50	83.4	↓-4.1
12/31 19:00	79.1	↓-4.3
12/31 19:10	74.7	↓-4.4
12/31 19:20	70.3	↓-4.4
12/31 19:30	65.7	↓-4.6	最大潮位差
12/31 19:40	61.1	↓-4.6	最大潮位差
12/31 19:50	56.6	↓-4.5
12/31 20:00	52.0	↓-4.6	最大潮位差
12/31 20:10	47.4	↓-4.6	最大潮位差
12/31 20:20	43.0	↓-4.4
12/31 20:30	38.6	↓-4.4
12/31 20:40	34.3	↓-4.3
12/31 20:50	30.2	↓-4.1
12/31 21:00	26.2	↓-4.0
12/31 21:10	22.5	↓-3.7
12/31 21:20	18.9	↓-3.6
12/31 21:30	15.6	↓-3.3
12/31 21:40	12.5	↓-3.1
12/31 21:50	9.7	↓-2.8
12/31 22:00	7.2	↓-2.5
12/31 22:10	4.9	↓-2.3
12/31 22:20	3.0	↓-1.9
12/31 22:30	1.4	↓-1.6
12/31 22:40	0.1	↓-1.3
12/31 22:50	-0.9	↓-1.0
12/31 23:00	-1.5	↓-0.6
12/31 23:10	-1.8	↓-0.3	干潮
12/31 23:20	-1.8	0
12/31 23:30	-1.4	↑0.4
12/31 23:40	-0.7	↑0.7
12/31 23:50	0.2	↑0.9